Home / 1,423,007.84-2,133,505.20-712,526.24

Finding the Fourth Proportional to 1,423,007.84, 2,133,505.20 and 712,526.24

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Solution

The fourth proportional to 1,423,007.84, 2,133,505.20 and 712,526.24 is: 1,068,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,007.84 : 2,133,505.20 = 712,526.24 : x
  2. Step 2: Convert to fraction form
    1,423,007.84/2,133,505.20 = 712,526.24/x
  3. Step 3: Cross multiply
    1,423,007.84x = 2,133,505.20 × 712,526.24
  4. Step 4: Simplify right side
    1,423,007.84x = 1,520,178,438,176.45
  5. Step 5: Solve for x
    x = 1,520,178,438,176.45/1,423,007.84
  6. Step 6: Final answer
    x = 1,068,285.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.